Results 1 to 10 of about 648 (164)

Germylium Catalyzed Dehydrofluorination Reactions of Fluorinated Alkanes. [PDF]

Chemistry
ABSTRACT Lewis acidic compounds such as germylium ions can be applied to C─F bond activations to access fluorinated building blocks or degrade fluorinated alkyl compounds in order to address environmental concerns and to promote a circular economy.
Borel J, Lehmann M, Kaupp M, Braun T.
europepmc   +4 more sources

Dehydrofluorination Process of Poly(Vinylidene Difluoride) PVdF-Based Gel Polymer Electrolytes and Its Effect on Lithium-Sulfur Batteries [PDF]

Gels, 2023
Gel polymer electrolytes (GPEs) are emerging as suitable candidates for high-performing lithium-sulfur batteries (LSBs) due to their excellent performance and improved safety.
Rosalía Cid Barreno, Julen Castillo, Michel Armand   +2 more
exaly   +4 more sources

Chemical Cleaning and Membrane Aging in MBR for Textile Wastewater Treatment [PDF]

Membranes, 2022
Membrane bioreactors have been widely used in textile wastewater treatment. Intensive chemical cleaning is indispensable in the MBR for textile wastewater treatment due to the severe membrane fouling implied.
Huarong Yu, Siyuan Shangguan, Chenyu Xie, Haiyang Yang, Chunhai Wei, Hongwei Rong, Fangshu Qu   +6 more
doaj   +2 more sources

Cu(II)-Mediated direct 18F-dehydrofluorination of phosphine oxides in high molar activity [PDF]

EJNMMI Radiopharmacy and Chemistry
Background The 18F/19F-isotope exchange method employing P(V)-centered prosthetic groups demonstrates advantages in addressing mild one-step aqueous 18F-labeling of peptides and proteins. However, the molar activity (Am) achieved through isotope exchange
Xiaoqun Tang, Shengji Lv, Zhaobiao Mou, Xia Liu, Zijing Li   +4 more
doaj   +2 more sources

Effects of Alkaline Cleaning Agents on the Filtration Performance and Aging of Polyvinylidene Fluoride Membranes [PDF]

Membranes
Polyvinylidene fluoride (PVDF) membranes are used in ultrafiltration systems for car wash water reuse, where frequent alkaline cleaning is required to maintain operational flux rates.
Marek Gryta, Piotr Woźniak
doaj   +2 more sources

Activation of pentafluoropropane isomers at a nanoscopic aluminum chlorofluoride: hydrodefluorination versus dehydrofluorination [PDF]

Beilstein Journal of Organic Chemistry, 2020
The hydrofluorocarbon 245 isomers, 1,1,1,3,3-pentafluoropropane, 1,1,1,2,2- pentafluoropropane, and 1,1,1,2,3-pentafluoropropane (HFC-245fa, HFC-245cb, and HFC-245eb) were activated through C–F bond activations using aluminium chlorofluoride (ACF) as a ...
Maëva-Charlotte Kervarec, Thomas Braun, Mike Ahrens, Erhard Kemnitz   +3 more
doaj   +2 more sources

Effect of dehydrofluorination reaction on structure and properties of PVDF electrospun fibers. [PDF]

RSC Adv, 2021
A piezoelectric nanosensor was prepared with a novel type of dehydrofluorinated poly(vinylidene fluoride) (PVDF) nanofibrous membrane.
Wang Y, Wang H, Liu K, Wang T, Yuan C, Yang H.   +5 more
europepmc   +4 more sources

Investigation on the Dehydrofluorination of 2H,3H-Decafluoropentane

Journal of Fluorine Chemistry, 2022
Hengdao Quan, Chengping Zhang
exaly   +2 more sources

Dehydrofluorination and One‐Pot Hydrothermal Process for Polyvinylidene fluoride/Polytetrafluoroethylene@TiO2 Membranes with Durable Superhydrophobicity toward Repeatable Separating and Photodegrading Oily Dyes in Water‐in‐Oil Emulsions

Macromolecular Materials and Engineering, 2022
The photocatalytic and inherently hydrophilic characteristic of titanium dioxide (TiO2) make it very suitable for separating oil‐in‐water emulsion and aqueous pollutants removal.
Linghan Deng, Yong Tan, Xingyu Tian, Hongyan Huang, Quanpei Xie, Chaohai Sun, Chuanxiang Qin, Si Cheng   +7 more
doaj   +1 more source

Analysis of the chemical behavior at the molecular level of lined pipes with fluoropolymers in a sodium hypochlorite production line/bibliographic review

SN Applied Sciences, 2022
Article Highlights Why is the dehydrofluorination process generated in fluoropolymers, how does it affect it and when does it start. Chemical compatibility of each material under review such as Polyvinylidene Fluoride, Ethylene Tetrafluoroethylene ...
Andrea Angelica Beleño Rosero, Leonel Pareja Rodríguez, Luis Fernando Andrade Fonseca   +2 more
doaj   +1 more source